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<h1>ServerStub.hpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">//*****************************************************************************</span>
<a name="l00003"></a>00003 <span class="comment">// RCF - Remote Call Framework</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (c) 2005. All rights reserved.</span>
<a name="l00005"></a>00005 <span class="comment">// Developed by Jarl Lindrud.</span>
<a name="l00006"></a>00006 <span class="comment">// Contact: jlindrud@hotmail.com .</span>
<a name="l00007"></a>00007 <span class="comment">//*****************************************************************************</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef INCLUDE_RCF_SERVERSTUB_HPP</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDE_RCF_SERVERSTUB_HPP</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <memory></span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor">#include <boost/shared_ptr.hpp></span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include <RCF/GetInterfaceName.hpp></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <RCF/SerializationProtocol.hpp></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <RCF/Token.hpp></span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// NB: occurrences of "interface" in this file have been replaced with "interface_", due to obscure bugs with Visual C++</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="keyword">namespace </span>RCF {
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keyword">class </span>Connection;
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00027"></a>00027 <span class="keyword">class </span>I_Deref
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 <span class="keyword">public</span>:
<a name="l00030"></a>00030 <span class="keyword">virtual</span> ~I_Deref() {}
<a name="l00031"></a>00031 <span class="keyword">virtual</span> T &deref() = 0;
<a name="l00032"></a>00032 };
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00035"></a>00035 <span class="keyword">class </span>DerefPtr
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keyword">public</span>:
<a name="l00038"></a>00038 <span class="keyword">typedef</span> boost::shared_ptr< I_Deref<T> > type;
<a name="l00039"></a>00039 };
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00042"></a>00042 <span class="keyword">class </span>DerefObj : <span class="keyword">public</span> I_Deref<T>
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 <span class="keyword">public</span>:
<a name="l00045"></a>00045 DerefObj(T &t) : t(t) {}
<a name="l00046"></a>00046 T &deref() { <span class="keywordflow">return</span> t; }
<a name="l00047"></a>00047 <span class="keyword">private</span>:
<a name="l00048"></a>00048 T &t;
<a name="l00049"></a>00049 };
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00052"></a>00052 <span class="keyword">class </span>DerefSharedPtr : <span class="keyword">public</span> I_Deref<T>
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="keyword">public</span>:
<a name="l00055"></a>00055 DerefSharedPtr(boost::shared_ptr<T> ptr) : ptr(ptr) {}
<a name="l00056"></a>00056 T &deref() { <span class="keywordflow">return</span> *ptr; }
<a name="l00057"></a>00057 <span class="keyword">private</span>:
<a name="l00058"></a>00058 boost::shared_ptr<T> ptr;
<a name="l00059"></a>00059 };
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00062"></a>00062 <span class="keyword">class </span>DerefWeakPtr : <span class="keyword">public</span> I_Deref<T>
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keyword">public</span>:
<a name="l00065"></a>00065 DerefWeakPtr(boost::weak_ptr<T> weakPtr) : weakPtr(weakPtr) {}
<a name="l00066"></a>00066 T &deref()
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 boost::shared_ptr<T> ptr( weakPtr );
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (ptr.get())
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">return</span> *ptr;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 RCF_THROW(Exception, <span class="stringliteral">"weak_ptr to server object failed to lock"</span>);
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075 <span class="keyword">private</span>:
<a name="l00076"></a>00076 boost::weak_ptr<T> weakPtr;
<a name="l00077"></a>00077 };
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keyword">template</span><<span class="keyword">typename</span> T>
<a name="l00080"></a>00080 <span class="keyword">class </span>DerefAutoPtr : <span class="keyword">public</span> I_Deref<T>
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <span class="keyword">public</span>:
<a name="l00083"></a>00083 DerefAutoPtr(std::auto_ptr<T> ptr) : ptr(ptr) {}
<a name="l00084"></a>00084 T &deref() { <span class="keywordflow">return</span> *ptr; }
<a name="l00085"></a>00085 <span class="keyword">private</span>:
<a name="l00086"></a>00086 std::auto_ptr<T> ptr;
<a name="l00087"></a>00087 };
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keyword">typedef</span> boost::function3<void, int, SerializationProtocolIn &, SerializationProtocolOut &> InvokeFunctor;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keyword">typedef</span> std::map<std::string, InvokeFunctor> InvokeFunctorMap;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keyword">class </span>StubAccess
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 <span class="keyword">public</span>:
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keyword">template</span><<span class="keyword">typename</span> InterfaceT, <span class="keyword">typename</span> IdT, <span class="keyword">typename</span> ImplementationT>
<a name="l00098"></a>00098 <span class="keywordtype">void</span> invoke(InterfaceT &interface_, <span class="keyword">const</span> IdT &<span class="keywordtype">id</span>, SerializationProtocolIn &in, SerializationProtocolOut &out, ImplementationT &t)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 interface_.invoke(<span class="keywordtype">id</span>, in, out, t);
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">template</span><<span class="keyword">typename</span> InterfaceT, <span class="keyword">typename</span> DerefPtrT>
<a name="l00104"></a>00104 <span class="keywordtype">void</span> registerInvokeFunctors(InterfaceT &interface_, InvokeFunctorMap &invokeFunctorMap, DerefPtrT derefPtr)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 interface_.registerInvokeFunctors(invokeFunctorMap, derefPtr);
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keyword">template</span><<span class="keyword">typename</span> ParentInterfaceT, <span class="keyword">typename</span> InterfaceT, <span class="keyword">typename</span> DerefPtrT>
<a name="l00110"></a>00110 <span class="keywordtype">void</span> registerParentInvokeFunctors(InterfaceT &interface_, InvokeFunctorMap &invokeFunctorMap, DerefPtrT derefPtr)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 interface_.ParentInterfaceT::registerInvokeFunctors(invokeFunctorMap, derefPtr);
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114 };
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keyword">template</span><<span class="keyword">typename</span> InterfaceT, <span class="keyword">typename</span> ImplementationT>
<a name="l00117"></a>00117 <span class="keyword">inline</span> <span class="keywordtype">void</span> invoke(InterfaceT &interface_, ImplementationT &t, <span class="keywordtype">int</span> fnId, SerializationProtocolIn &in, SerializationProtocolOut &out)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <span class="keywordflow">switch</span> (fnId) {
<a name="l00120"></a>00120 <span class="keywordflow">case</span> 0: StubAccess().invoke(interface_, Meta::Int< 0>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00121"></a>00121 <span class="keywordflow">case</span> 1: StubAccess().invoke(interface_, Meta::Int< 1>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00122"></a>00122 <span class="keywordflow">case</span> 2: StubAccess().invoke(interface_, Meta::Int< 2>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00123"></a>00123 <span class="keywordflow">case</span> 3: StubAccess().invoke(interface_, Meta::Int< 3>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00124"></a>00124 <span class="keywordflow">case</span> 4: StubAccess().invoke(interface_, Meta::Int< 4>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00125"></a>00125 <span class="keywordflow">case</span> 5: StubAccess().invoke(interface_, Meta::Int< 5>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00126"></a>00126 <span class="keywordflow">case</span> 6: StubAccess().invoke(interface_, Meta::Int< 6>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00127"></a>00127 <span class="keywordflow">case</span> 7: StubAccess().invoke(interface_, Meta::Int< 7>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00128"></a>00128 <span class="keywordflow">case</span> 8: StubAccess().invoke(interface_, Meta::Int< 8>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00129"></a>00129 <span class="keywordflow">case</span> 9: StubAccess().invoke(interface_, Meta::Int< 9>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00130"></a>00130 <span class="keywordflow">case</span> 10: StubAccess().invoke(interface_, Meta::Int<10>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00131"></a>00131 <span class="keywordflow">case</span> 11: StubAccess().invoke(interface_, Meta::Int<11>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00132"></a>00132 <span class="keywordflow">case</span> 12: StubAccess().invoke(interface_, Meta::Int<12>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00133"></a>00133 <span class="keywordflow">case</span> 13: StubAccess().invoke(interface_, Meta::Int<13>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00134"></a>00134 <span class="keywordflow">case</span> 14: StubAccess().invoke(interface_, Meta::Int<14>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00135"></a>00135 <span class="keywordflow">case</span> 15: StubAccess().invoke(interface_, Meta::Int<15>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00136"></a>00136 <span class="keywordflow">case</span> 16: StubAccess().invoke(interface_, Meta::Int<16>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00137"></a>00137 <span class="keywordflow">case</span> 17: StubAccess().invoke(interface_, Meta::Int<17>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00138"></a>00138 <span class="keywordflow">case</span> 18: StubAccess().invoke(interface_, Meta::Int<18>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00139"></a>00139 <span class="keywordflow">case</span> 19: StubAccess().invoke(interface_, Meta::Int<19>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00140"></a>00140 <span class="keywordflow">case</span> 20: StubAccess().invoke(interface_, Meta::Int<20>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00141"></a>00141 <span class="keywordflow">case</span> 21: StubAccess().invoke(interface_, Meta::Int<21>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00142"></a>00142 <span class="keywordflow">case</span> 22: StubAccess().invoke(interface_, Meta::Int<22>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00143"></a>00143 <span class="keywordflow">case</span> 23: StubAccess().invoke(interface_, Meta::Int<23>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00144"></a>00144 <span class="keywordflow">case</span> 24: StubAccess().invoke(interface_, Meta::Int<24>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00145"></a>00145 <span class="keywordflow">case</span> 25: StubAccess().invoke(interface_, Meta::Int<25>(), in, out, t); <span class="keywordflow">break</span>;
<a name="l00146"></a>00146 <span class="keywordflow">default</span>: RCF_THROW(Exception, <span class="stringliteral">"invalid function id"</span>)(fnId); <span class="comment">// TODO: exception type</span>
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 template<typename InterfaceT, typename DerefPtrT>
<a name="l00151"></a>00151 <span class="keyword">class</span> InterfaceInvocator
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 <span class="keyword">public</span>:
<a name="l00154"></a>00154 InterfaceInvocator(InterfaceT &interface_, DerefPtrT derefPtr) : interface_(interface_), derefPtr(derefPtr) {}
<a name="l00155"></a>00155 <span class="keywordtype">void</span> operator()( <span class="keywordtype">int</span> fnId, SerializationProtocolIn &in, SerializationProtocolOut &out)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 invoke<InterfaceT>(interface_, derefPtr->deref(), fnId, in, out);
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159 <span class="keyword">private</span>:
<a name="l00160"></a>00160 InterfaceT &interface_;
<a name="l00161"></a>00161 DerefPtrT derefPtr;
<a name="l00162"></a>00162 };
<a name="l00163"></a>00163
<a name="l00164"></a>00164 template<typename InterfaceT, typename DerefPtrT>
<a name="l00165"></a>00165 <span class="keywordtype">void</span> registerInvokeFunctors(InterfaceT &interface_, InvokeFunctorMap &invokeFunctorMap, DerefPtrT derefPtr)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 <span class="comment">// NB: same interface may occur more than once in the inheritance hierarchy of another interface, and in</span>
<a name="l00168"></a>00168 <span class="comment">// that case, via overwriting, only one InterfaceInvocator is registered, so only the functions in one of the interfaces will ever be called.</span>
<a name="l00169"></a>00169 <span class="comment">// But it doesn't matter, since even if an interface occurs several times in the inheritance hierarchy, each occurrence</span>
<a name="l00170"></a>00170 <span class="comment">// of the interface will be bound to derefPtr in exactly the same way.</span>
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keyword">typedef</span> <span class="keyword">typename</span> InterfaceT::Interface Interface;
<a name="l00173"></a>00173 std::string interfaceName = ::RCF::getInterfaceName<Interface>();
<a name="l00174"></a>00174 invokeFunctorMap[ interfaceName ] = InterfaceInvocator<InterfaceT, DerefPtrT>(interface_, derefPtr);
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keyword">class </span>ServerStub;
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keyword">typedef</span> boost::shared_ptr<ServerStub> ServerStubPtr;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keyword">class </span>ServerStub
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keyword">public</span>:
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keyword">template</span><<span class="keyword">typename</span> InterfaceT, <span class="keyword">typename</span> DerefPtrT>
<a name="l00186"></a>00186 <span class="keywordtype">void</span> registerInvokeFunctors(InterfaceT &interface_, DerefPtrT derefPtr)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 StubAccess access;
<a name="l00189"></a>00189 access.registerInvokeFunctors(interface_, mInvokeFunctorMap, derefPtr);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="keywordtype">void</span> invoke(<span class="keyword">const</span> std::string &subInterface, <span class="keywordtype">int</span> fnId, SerializationProtocolIn &in, SerializationProtocolOut &out)
<a name="l00193"></a>00193 {
<a name="l00194"></a>00194 <span class="comment">// no mutex here, since there is never anyone writing to mInvokeFunctorMap</span>
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (mInvokeFunctorMap.find(subInterface) != mInvokeFunctorMap.end())
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 mInvokeFunctorMap[subInterface](fnId, in, out);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 <span class="keywordflow">else</span>
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 RCF_THROW(Exception, <span class="stringliteral">"invalid subinterface name"</span>)(subInterface)(fnId);
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="keyword">private</span>:
<a name="l00206"></a>00206 InvokeFunctorMap mInvokeFunctorMap;
<a name="l00207"></a>00207 };
<a name="l00208"></a>00208
<a name="l00209"></a>00209 } <span class="comment">// namespace RCF</span>
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="preprocessor">#include <RCF/ServerStub.inl></span>
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="preprocessor">#endif // ! INCLUDE_RCF_SERVERSTUB_HPP</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Sep 19 19:02:37 2006 for RCF by
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